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 / Updated  / Source: Associated Press

FLINT, Mich. — Three of five Michigan teens have been found competent to stand trial in the death of a man killed after a rock thrown from a freeway overpass crashed through a van's windshield.

Genesee County Prosecutor David Leyton says the evaluations show Kyle Anger, Mark Sekelsky and Trevor Gray were mentally competent at the time of the incident and can understand their charges.

Their lawyers requested the exams. Attorneys for Alexzander Miller and Mikadyn Payne did not. All five are charged as adults with second-degree murder and other charges.

They ranged in age from 15 to 17 when a when a 6-pound rock thrown Oct. 18 onto Interstate 75 in Vienna Township, north of Detroit, struck the van Kenneth White was in. White later died.

Probable cause conferences are Thursday.

Image: Passenger Rock Death
From left, Trevor Gray, 15, Alexzander Miller, 15, Mikadyn Payne, 16, and Kyle Anger, 17, all of Clio, Mich., appear for their arraignment in front of Judge William Crawford on Oct. 24, 2017 in Genesee County District Court in downtown Flint, Michigan.Terray Sylvester / The Flint Journal-MLive.com via AP